#579EB4#579EB4

#579EB4 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.078 H 220.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#579EB4
RGBrgb(87, 158, 180)
HSLhsl(194, 38%, 52%)
HSVhsv(194, 52%, 71%)
CMYKcmyk(51.7%, 12.2%, 0%, 29.4%)
CIE-LABlab(61.46, -16.13, -18.28)
CIE-LCHlch(61.46, 24.38, 228.57°)
OKLaboklab(66.13% -0.0598 -0.0506)
OKLCHoklch(66.13% 0.078 220.2)
XYZxyz(24.3924, 29.7732, 47.6325)
Luminance0.2978 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#579EB4 #B46D57
analogous
#57B49C #579EB4 #576FB4
triadic
#579EB4 #B4579E #9EB457
tetradic
#579EB4 #9C57B4 #B46D57 #6FB457
square
#579EB4 #9C57B4 #B46D57 #6FB457
split-complementary
#579EB4 #B4576F #B49C57
monochromatic
#2D5764 #407C8E #579EB4 #81B6C7 #ACCFDA

Accessibility & contrast

On white

3.02
#579EB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.96
#579EB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579EB4
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##579EB4#FFFFFF#000000##000000
##579EB41.003.026.966.96
#FFFFFF3.021.0021.0021.00
#0000006.9621.001.001.00
##0000006.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#909AB5
Deuteranopia (green-blind)
#8390B4
Tritanopia (blue-blind)
#1CA5A5
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #579eb4;
/* rgb */ color: rgb(87, 158, 180);
/* oklch */ color: oklch(66.1% 0.078 220.2);
Tailwind
colors: {
  custom: {
    50: '#8dbaca',
    500: '#579eb4',
    950: '#000000',
  },
}
SCSS
$custom: #579eb4;
$custom-light: #8dbaca;
$custom-dark: #000000;
JSON
{
  "hex": "#579eb4",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 194.194,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66134,
    "c": 0.07835,
    "h": 220.2
  },
  "luminance": 0.29775
}

Semantic roles & 50–950 ramp

primary
#579EB4
secondary
#C8A99F
accent
#755ACE
background
#F9FBFC
surface
#F1F6F8
border
#CBD0D1
text
#0D1113
muted
#7E8082

Preview Lab

Preview with #579EB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#579EB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva